FETTER, C. (1980). Applied hydrogeology. Cherles E.Merrill.
Chicago Style aipamenaFETTER, C.W. Applied Hydrogeology. Columbus: Cherles E.Merrill, 1980.
MLA aipamenaFETTER, C.W. Applied Hydrogeology. Cherles E.Merrill, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.